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    GOLF BALL
    1.
    发明申请
    GOLF BALL 审中-公开

    公开(公告)号：US20180169479A1

    公开(公告)日：2018-06-21

    申请号：US15783042

    申请日：2017-10-13

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Hidetaka INOUE ,  Kazuya KAMINO

    IPC: A63B37/00

    CPC classification number: A63B37/0075 ,  A63B37/0051 ,  A63B37/0092 ,  A63B37/0096 ,  A63B69/3655 ,  C08K5/098

    Abstract: A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A hardness H75 at a point to which a distance from a central point of the core 4 is 75% of a radius of the core 4 is greater than a hardness H0 at the central point of the core 4. A difference D1=(H75−H0) is not less than 10.0 and not greater than 27.0 in Shore C hardness. A hardness Hs at a surface of the core 4 is greater than the hardness H75. A difference D2=(Hs−H75) is not less than 0 and not greater than 6.5 in Shore C hardness. The hardness H75 is less than a Shore C hardness HmC of the mid layer 6. A Shore D hardness HmD of the mid layer 6 is greater than a Shore D hardness Hc of the cover 8.

    GOLF BALL
    3.
    发明申请
    GOLF BALL 有权
    高尔夫球

    公开(公告)号：US20160310797A1

    公开(公告)日：2016-10-27

    申请号：US15099186

    申请日：2016-04-14

    Applicant: Dunlop Sports Co. Ltd.

    Inventor： Kosuke TACHIBANA ,  Kazuya KAMINO

    IPC: A63B37/00

    CPC classification number: A63B37/0084 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B45/00

    Abstract: An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, and the intermediate layer has a highest hardness among the constituent members of the golf ball.

    Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。 本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，其中，在向径向外侧的点处的硬度（HX + 1）之间的差（HX + 1-HX-1） 球形芯的内层和外层之间的边界为1mm，并且通过球形芯的内层和外层之间的边界在径向内侧的点处的硬度（HX-1） 1mm的肖氏C硬度为0以上时，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内层的硬度梯度的角度α为0°以上， 角度α和外层的硬度梯度的角度β之间的差（α-β）为0°以上，中间层在高尔夫球的构成构件中具有最高的硬度。

    GOLF BALL
    4.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20160184657A1

    公开(公告)日：2016-06-30

    申请号：US14981004

    申请日：2015-12-28

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Kosuke TACHIBANA ,  Kazuya KAMINO

    IPC: A63B37/00

    CPC classification number: A63B37/0092 ,  A63B37/004 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0077 ,  A63B37/0094

    Abstract: An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, and a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more.

    Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。 本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，其中，在向径向外侧的点处的硬度（HX + 1）之间的差（HX + 1-HX-1） 球形芯的内层和外层之间的边界为1mm，并且通过球形芯的内层和外层之间的边界在径向内侧的点处的硬度（HX-1） 1mm的肖氏C硬度为0以上时，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内层的硬度梯度的角度α为0°以上， 角度α和角度bgr之间的差异（α＆amp; bgr） 的外层的硬度梯度为0°以上。

    GOLF BALL
    7.
    发明申请
    GOLF BALL 有权
    高尔夫球

    公开(公告)号：US20170056731A1

    公开(公告)日：2017-03-02

    申请号：US15245921

    申请日：2016-08-24

    Applicant: Dunlop Sports Co. Ltd.

    Inventor： Toshiyuki TARAO ,  Hidetaka INOUE ,  Kazuya KAMINO ,  Kosuke TACHIBANA

    IPC: A63B37/00 ,  C09D175/08 ,  A63B37/14

    CPC classification number: A63B37/0022 ,  A63B37/0004 ,  A63B37/0029 ,  A63B37/0031 ,  A63B37/0037 ,  A63B37/0074 ,  A63B37/0089 ,  A63B37/0096 ,  A63B37/14 ,  C09D175/08

    Abstract: An object of the present invention is to provide a golf ball showing an increased spin rate on approach shots under a wet condition while maintaining a spin rate on approach shots under a dry condition. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a multi-layered construction composed of two or more layers, and a difference (Min−Mout) between a 10% elastic modulus (Min) of an innermost layer of the paint film and a 10% elastic modulus (Mout) of an outermost layer of the paint film is 25 kgf/cm2 or more.

    Abstract translation: 本发明的目的是提供一种高尔夫球，其在湿润状态下显示出现接近射击时的旋转速率增加，同时在干燥条件下保持接近射击的旋转速率。 本发明提供一种高尔夫球，其包括高尔夫球体和形成在高尔夫球体的表面上的漆膜，其中涂膜具有由两层或多层组成的多层结构和差异（Min-Mout ）在漆膜的最内层的10％弹性模量（Min）和漆膜的最外层的10％弹性模量（Mout）之间为25kgf / cm 2以上。

    GOLF BALL
    8.
    发明申请
    GOLF BALL 有权
    高尔夫球

    公开(公告)号：US20160310799A1

    公开(公告)日：2016-10-27

    申请号：US15138484

    申请日：2016-04-26

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Kazuya KAMINO ,  Kosuke TACHIBANA

    IPC: A63B37/00

    CPC classification number: A63B37/0092 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0037 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0049 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076

    Abstract: An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, an intermediate layer and and a cover, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, the intermediate layer has a material hardness (Hm) ranging from 65 to 80 in Shore D hardness, and the intermediate layer has a highest hardness among the constituent members of the golf ball.

    Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。 本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，中间层和盖，其中，在（a）中的硬度（HX + 1）之间的差异（HX + 1-HX-1） 从球形芯的内层和外层之间的边界沿径向向外指向1mm，并且在距离内层和内层之间的边界的径向内侧的点处具有硬度（HX-1） 球状芯的外层1mm的肖氏C硬度为0以上，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内部的硬度梯度的角度α 层的厚度为0°以上，外层的硬度梯度的角度α和角度β之间的差（α-β）为0°以上，中间层的材料硬度（Hm）为65〜 80的肖氏D硬度，中间层在成分记忆中具有最高的硬度 高尔夫球的rs。

    METHOD FOR SIMULATING RUN
    9.
    发明申请
    METHOD FOR SIMULATING RUN 有权
    模拟运行的方法

    公开(公告)号：US20130226541A1

    公开(公告)日：2013-08-29

    申请号：US13778286

    申请日：2013-02-27

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Kazuya KAMINO

    IPC: G06F17/50

    CPC classification number: G06F17/5009 ,  A63B2069/403 ,  A63B2220/20

    Abstract: This method simulates a run which is a distance between a landing point and a final arriving point using an initial condition of a hit ball and an actually measured falling condition. Preferably, the initial condition includes initial side spin. Preferably, the falling condition is a falling velocity. Preferably, a calculation formula of the run is a quadratic function having the initial condition and the falling condition as variables. Preferably, when the run is defined as Dr (yard); a target direction component of the falling velocity is defined as Vx (m/s); a vertical direction component of the falling velocity is defined as Vy (m/s); and the initial side spin is defined as S (rpm), the run is calculated according to the following formula (1): Dr=C1×Vx2−C2×Vx+C3Vy2+C4×Vy−C5×S+C6  (1)

    Abstract translation: 该方法使用命中球的初始条件和实际测量的下降条件来模拟作战着陆点和最终到达点之间的距离。 优选地，初始条件包括初始侧旋转。 优选地，下降条件是下降速度。 优选地，运行的计算公式是具有初始条件和下降条件作为变量的二次函数。 优选地，当跑道被定义为Dr（码）时; 下降速度的目标方向分量定义为Vx（m / s）; 下降速度的垂直方向分量定义为Vy（m / s）; 并且初始侧旋转定义为S（rpm），根据下式（1）计算运行：Dr = C1×Vx2-C2×Vx + C3Vy2 + C4×Vy-C5×S + C6（1）

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